| Air Purifiers are devices, which many people now | | | | an air purifier especially those that have the HEPA |
| use in order to help remove contaminants in the | | | | filter in them. |
| air around them. In many cases, these devices | | | | 3. Photocatalytic Oxidation - Also known as PCO |
| are actually marketed as being especially effective | | | | uses short wave UVC (ultraviolet light). This |
| and beneficial to those people who suffer from | | | | process is more commonly used to help sterilize |
| allergies or asthma. | | | | the air and is able to kill around 99.99% of all |
| Today there are a number of different types of | | | | bacteria and viruses that are carried in the air |
| air purifiers a person can use both at home and in | | | | today. However, this is not actually a filtering |
| the work place. In addition, there are even car air | | | | process because it does not trap or remove any |
| purifiers available today as well. However, not only | | | | particles that are in the air. Use this process with |
| do these devices remove contaminants from the | | | | either the one mentioned above or below and |
| air they are both cost effective and good on the | | | | you will have a filter less air purifier. |
| environment. This is because they only require a | | | | 4. Ionizers - This particular process to remove |
| small amount of electrical power to run them | | | | particles and contaminants from the air uses a |
| compared to other devices such as air | | | | charged needles or an electrical surface to |
| conditioning and heating units. | | | | produce ions that have been electrically charged. |
| The different processes, which are often used | | | | Once the ions have been charged they attach |
| inside air purifiers, are able to remove different | | | | themselves to the particles in the air and will then |
| types of contaminants from the air surrounding | | | | be electro statically attracted to a collector plate, |
| us and which we breathe. Below we take a look | | | | which has also been charged. There are two |
| at what these processes are. | | | | types of ionizer's now available one, which is |
| 1. Filter Based - These trap airborne particles | | | | fanless, and the other, which has a fan. The |
| dependent upon their size. The most effective | | | | advantage of the fanless versions of these air |
| types of filters to be found in these devices | | | | purifiers is that they make no noise and they do |
| today are those known as HEPA Filters. On | | | | not need a lot of power to run them. Whilst the |
| average, one of these filters can remove 99.97% | | | | fan ones are able to clean and then distribute this |
| that are no bigger than 0.3 micrometers in size. | | | | fresh air much more quickly. |
| You can read more free advice on Air Purifiers by | | | | It is therefore important before you actually |
| clicking on the link in the resource box below. | | | | make your purchase you compare air purifiers to |
| 2. Activated Carbon - This is an extremely porous | | | | see which one best suits your requirements. |
| material, which is able to absorb chemicals that | | | | There are plenty of sites that have air purifier |
| can rather volatile. However, it does not have the | | | | recommendations, which may provide you with |
| capabilities to remove much larger particles from | | | | the right kind of information to help you select |
| the air. This will in many cases used in conjunction | | | | the right device for you. |
| with other processes that have been included with | | | | |